RUBICON TECHNOLOGY INC

CUSIP: 78112T107 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 22,339 Value ($000) $95 Avg Close — Range —
Q2 2014
Shares 23,089 Value ($000) $202 Avg Close — Range —
Q1 2014
Shares 19,757 Value ($000) $223 Avg Close — Range —
Q4 2013
Shares 18,628 Value ($000) $185 Avg Close — Range —
Q3 2013
Shares 19,320 Value ($000) $234 Avg Close — Range —
Q2 2013
Shares 18,553 Value ($000) $148 Avg Close — Range —